258380564788 has 24 divisors (see below), whose sum is σ = 464060229192. Its totient is φ = 125827513344.

The previous prime is 258380564753. The next prime is 258380564791. The reversal of 258380564788 is 887465083852.

It can be written as a sum of positive squares in 4 ways, for example, as 152715260944 + 105665303844 = 390788^2 + 325062^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4419045 + ... + 4477132.

It is an arithmetic number, because the mean of its divisors is an integer number (19335842883).

Almost surely, 2^258380564788 is an apocalyptic number.

It is an amenable number.

258380564788 is a deficient number, since it is larger than the sum of its proper divisors (205679664404).

258380564788 is a wasteful number, since it uses less digits than its factorization.

258380564788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896371 (or 8896369 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 64.

The spelling of 258380564788 in words is "two hundred fifty-eight billion, three hundred eighty million, five hundred sixty-four thousand, seven hundred eighty-eight".